# Cecylia Iwaniszewska

> Polish astronomer and social activist

**Wikidata**: [Q112406547](https://www.wikidata.org/wiki/Q112406547)  
**Source**: https://4ort.xyz/entity/q112406547


## References

1. Library of Congress Authorities
2. Catalog of the German National Library
3. Czech National Authority Database
4. data.bibliotheken.nl
5. NUKAT
6. WorldCat Entities
7. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
8. Československá bibliografická databáze
9. [2026](https://www.radiopik.pl/2,137655,nie-zyje-dr-cecylia-iwaniszewska-wybitna-astronomka-zwiazana-z-toruniem-miala-97-lat)
10. Virtual International Authority File